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230 lines
6.5 KiB
C
230 lines
6.5 KiB
C
/**
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* @file lv_demo_keypad_encoder.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "lv_demo_keypad_encoder.h"
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#if LV_USE_DEMO_KEYPAD_AND_ENCODER
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static void selectors_create(lv_obj_t * parent);
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static void text_input_create(lv_obj_t * parent);
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static void msgbox_create(void);
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static void msgbox_event_cb(lv_event_t * e);
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static void ta_event_cb(lv_event_t * e);
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/**********************
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* STATIC VARIABLES
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**********************/
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static lv_group_t * g;
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static lv_obj_t * tv;
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static lv_obj_t * t1;
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static lv_obj_t * t2;
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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void lv_demo_keypad_encoder(void)
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{
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g = lv_group_get_default();
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if(g == NULL) {
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g = lv_group_create();
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lv_group_set_default(g);
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}
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lv_indev_t * cur_drv = NULL;
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for(;;) {
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cur_drv = lv_indev_get_next(cur_drv);
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if(!cur_drv) {
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break;
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}
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if(cur_drv->driver->type == LV_INDEV_TYPE_KEYPAD) {
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lv_indev_set_group(cur_drv, g);
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}
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if(cur_drv->driver->type == LV_INDEV_TYPE_ENCODER) {
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lv_indev_set_group(cur_drv, g);
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}
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}
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tv = lv_tabview_create(lv_scr_act(), LV_DIR_TOP, LV_DPI_DEF / 3);
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t1 = lv_tabview_add_tab(tv, "Selectors");
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t2 = lv_tabview_add_tab(tv, "Text input");
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selectors_create(t1);
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text_input_create(t2);
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msgbox_create();
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}
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void lv_demo_keypad_encoder_close(void)
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{
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lv_obj_clean(lv_scr_act());
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lv_obj_clean(lv_layer_top());
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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static void selectors_create(lv_obj_t * parent)
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{
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lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
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lv_obj_set_flex_align(parent, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
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lv_obj_t * obj;
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obj = lv_table_create(parent);
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lv_table_set_cell_value(obj, 0, 0, "00");
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lv_table_set_cell_value(obj, 0, 1, "01");
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lv_table_set_cell_value(obj, 1, 0, "10");
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lv_table_set_cell_value(obj, 1, 1, "11");
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lv_table_set_cell_value(obj, 2, 0, "20");
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lv_table_set_cell_value(obj, 2, 1, "21");
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lv_table_set_cell_value(obj, 3, 0, "30");
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lv_table_set_cell_value(obj, 3, 1, "31");
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lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
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obj = lv_calendar_create(parent);
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lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
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obj = lv_btnmatrix_create(parent);
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lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
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obj = lv_checkbox_create(parent);
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lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
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obj = lv_slider_create(parent);
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lv_slider_set_range(obj, 0, 10);
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lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
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obj = lv_switch_create(parent);
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lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
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obj = lv_spinbox_create(parent);
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lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
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obj = lv_dropdown_create(parent);
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lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
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obj = lv_roller_create(parent);
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lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
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lv_obj_t * list = lv_list_create(parent);
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lv_obj_update_layout(list);
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if(lv_obj_get_height(list) > lv_obj_get_content_height(parent)) {
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lv_obj_set_height(list, lv_obj_get_content_height(parent));
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}
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lv_list_add_btn(list, LV_SYMBOL_OK, "Apply");
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lv_list_add_btn(list, LV_SYMBOL_CLOSE, "Close");
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lv_list_add_btn(list, LV_SYMBOL_EYE_OPEN, "Show");
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lv_list_add_btn(list, LV_SYMBOL_EYE_CLOSE, "Hide");
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lv_list_add_btn(list, LV_SYMBOL_TRASH, "Delete");
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lv_list_add_btn(list, LV_SYMBOL_COPY, "Copy");
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lv_list_add_btn(list, LV_SYMBOL_PASTE, "Paste");
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}
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static void text_input_create(lv_obj_t * parent)
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{
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lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
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lv_obj_t * ta1 = lv_textarea_create(parent);
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lv_obj_set_width(ta1, LV_PCT(100));
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lv_textarea_set_one_line(ta1, true);
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lv_textarea_set_placeholder_text(ta1, "Click with an encoder to show a keyboard");
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lv_obj_t * ta2 = lv_textarea_create(parent);
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lv_obj_set_width(ta2, LV_PCT(100));
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lv_textarea_set_one_line(ta2, true);
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lv_textarea_set_placeholder_text(ta2, "Type something");
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lv_obj_t * kb = lv_keyboard_create(lv_scr_act());
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lv_obj_add_flag(kb, LV_OBJ_FLAG_HIDDEN);
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lv_obj_add_event_cb(ta1, ta_event_cb, LV_EVENT_ALL, kb);
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lv_obj_add_event_cb(ta2, ta_event_cb, LV_EVENT_ALL, kb);
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}
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static void msgbox_create(void)
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{
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static const char * btns[] = {"Ok", "Cancel", ""};
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lv_obj_t * mbox = lv_msgbox_create(NULL, "Hi", "Welcome to the keyboard and encoder demo", btns, false);
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lv_obj_add_event_cb(mbox, msgbox_event_cb, LV_EVENT_ALL, NULL);
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lv_group_focus_obj(lv_msgbox_get_btns(mbox));
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lv_obj_add_state(lv_msgbox_get_btns(mbox), LV_STATE_FOCUS_KEY);
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lv_group_focus_freeze(g, true);
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lv_obj_align(mbox, LV_ALIGN_CENTER, 0, 0);
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lv_obj_t * bg = lv_obj_get_parent(mbox);
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lv_obj_set_style_bg_opa(bg, LV_OPA_70, 0);
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lv_obj_set_style_bg_color(bg, lv_palette_main(LV_PALETTE_GREY), 0);
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}
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static void msgbox_event_cb(lv_event_t * e)
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{
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lv_event_code_t code = lv_event_get_code(e);
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lv_obj_t * msgbox = lv_event_get_current_target(e);
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if(code == LV_EVENT_VALUE_CHANGED) {
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const char * txt = lv_msgbox_get_active_btn_text(msgbox);
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if(txt) {
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lv_msgbox_close(msgbox);
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lv_group_focus_freeze(g, false);
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lv_group_focus_obj(lv_obj_get_child(t1, 0));
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lv_obj_scroll_to(t1, 0, 0, LV_ANIM_OFF);
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}
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}
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}
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static void ta_event_cb(lv_event_t * e)
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{
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lv_indev_t * indev = lv_indev_get_act();
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if(indev == NULL) return;
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lv_indev_type_t indev_type = lv_indev_get_type(indev);
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lv_event_code_t code = lv_event_get_code(e);
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lv_obj_t * ta = lv_event_get_target(e);
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lv_obj_t * kb = lv_event_get_user_data(e);
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if(code == LV_EVENT_CLICKED && indev_type == LV_INDEV_TYPE_ENCODER) {
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lv_keyboard_set_textarea(kb, ta);
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lv_obj_clear_flag(kb, LV_OBJ_FLAG_HIDDEN);
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lv_group_focus_obj(kb);
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lv_group_set_editing(lv_obj_get_group(kb), kb);
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lv_obj_set_height(tv, LV_VER_RES / 2);
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lv_obj_align(kb, LV_ALIGN_BOTTOM_MID, 0, 0);
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}
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if(code == LV_EVENT_READY || code == LV_EVENT_CANCEL) {
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lv_obj_add_flag(kb, LV_OBJ_FLAG_HIDDEN);
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lv_obj_set_height(tv, LV_VER_RES);
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}
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}
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#endif
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